Head office ERP or a plant layer: a question for SIDCUL units

The ERP was chosen for ledgers, purchase orders and group reporting, and it does that work well, but the floor is another matter. A plant head cannot wait for month end posting to learn that quality has blocked a coil lot or that a press has stood idle since second shift. On the shop floor in Haridwar or Pantnagar, a supervisor writes on a register and a clerk keys the numbers into the ERP a day or three later.

The gap shows in small ways. The gate has no record of the truck until the invoice is made, the production count is keyed at month end and the rejection reasons never reach a screen.

Plant heads end up keeping Excel files to run the day, then copying totals into SAP or Oracle screens when the head office controller asks. Two stories now exist. Head office reads the cleaner one, and the plant head spends review meetings explaining the gap between the register and the screen.

Draw the line by record owner. Money, tax, stock valuation, vendor master and purchase orders belong to the ERP, because head office needs one source for these and auditors expect it.

Floor events stay near the floor. A truck at the gate, a coil received, a lot started and a batch rejected are fast and frequent, so each needs a screen at the point of work.

Keep the interface narrow. What goes upward is summarised and approved, such as goods received, production completed and scrap posted, and it never asks the plant to change the ERP’s master data.

Start with gate entry, the cheapest win. Record vehicle number, supplier, challan or invoice reference, material and time on a tablet or phone, so stores can match the entry to a purchase order. The guard needs only a vehicle number, a supplier name and a photograph of the delivery document, so the entry exists before the truck reaches the weighbridge.

Next comes the production log. Each shift records the part, machine, good quantity, rework and scrap, and the rejection sheet carries defect codes and photographs where useful. Both stay linked to the lot number, whether the part is a stamping, an injection moulded housing or a machined shaft. A line leader can then see within minutes whether rejections rose with a new coil lot, a die change or a night shift operator.

Finally, a weekly report. It reads from the log and shows output against plan, top defects, downtime hours and open gate entries, so the plant head stops compiling it by hand on Fridays. That hour comes back. More importantly, the report matches the floor because the same entries feed both, so nobody rebuilds totals from registers, phone messages and scraps of paper.

A brand owner who audits your plant looks for traceability, so they pick one lot and ask for its mill test certificate, material receipt, production record and inspection report. Hand copying breaks that trail. Auditors find the break.

Link records by lot number. When the ERP needs a posting, the plant layer sends it once with a reference that traces both ways, from the ERP voucher back to the shift log.

Agree the export format early. A scheduled file or an API call works, while a person carrying a pen drive from the plant to the finance desk does not.

Ask three questions. Can the ERP vendor add plant screens within a quarter, can head office give you an integration route, and is the cost of waiting higher than a small layer? Write the answers down.

If the first answer is no and the second is yes, a plant layer is sensible, so put one named person in charge of each piece. If head office allows no integration at all, you are building a parallel record, so tell the finance head in plain terms why it exists. Hidden records cause trouble.

Take the last audit finding or customer complaint, trace one lot from gate to dispatch and mark every point where you needed a register. That point is your first screen.